⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Treasure County

Treasure County, Montana: well depth, water level & drilling cost

✓ 924 GWIC records · verified 2026-06-10

80 ftmedian well depth
38 ft–170 fttypical depth range
30 ftmedian static water level
10 gpmmedian yield (749 tests)

How deep are wells in Treasure County, Montana?

The median drilled well depth in Treasure County is 80 ft, based on 854 wells with recorded depths in the state GWIC database. Half of all wells fall between 38 ft and 170 ft; 90% are shallower than 294 ft. Wells drilled since 2016 have a median depth of 43 ft.

How much does it cost to drill a well in Treasure County?

Applying published per-foot rates to the local median depth of 43 ft: drilling and casing alone typically runs $1,075–$2,795; a complete system including pump, pressure tank, and hookup typically runs $2,580–$4,730. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Treasure County?

The median static water level is 30 ft below ground surface (middle half of wells: 14 ft–76 ft), from 767 measurements.

How much water do wells in Treasure County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 749 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 268 50–100 ft 201 100–150 ft 131 150–200 ft 85 200–300 ft 84 300–400 ft 46 400–600 ft 20 600+ ft 19

Who drills wells in Treasure County?

Companies by number of wells completed in this county since 2016, per filed well logs.

Drilling companyWells since 2016
AMERICAN DRILLING & SUPPLY42
ASKIN DRILLING21
HIGGINS DRILLING COMPANY18
MONTANA SALINITY CONTROL ASSOCIATION14
OLYMPUS TECHNICAL SERVICES2
BERTRAM DRILLING INC1

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Method: medians computed from GWIC records (site type WELL, non-abandoned; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-10) to the local median depth — full methodology & sources.